Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT RADIO SETTING CONDENSER (for High Mounted Stop Light)

(a) With the radio setting condenser installed, check that there is no looseness or other abnormalities.

(b) Measure the resistance of the radio setting condenser according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
1 - Body ground	Power switch off1 Engine switch off2 High mounted stop light off Luggage compartment room light off	Below 1 Ω

*a	Radio Setting Condenser

(d) Disengage the clamp and disconnect the radio setting condenser with wire harness from the vehicle body.

(e) Measure the resistance and voltage of the radio setting condenser according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
1 - 2	Power switch off1 Engine switch off2 High mounted stop light off Luggage compartment room light off	10 kΩ or higher
1 - 3		10 kΩ or higher

Standard Voltage:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
2 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 High mounted stop light off	Below 1 V
3 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 Luggage compartment room light off	Below 1 V
2 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 High mounted stop light on	11 to 14 V
3 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 Luggage compartment room light on	11 to 14 V

*a	Radio Setting Condenser

2. INSPECT RADIO SETTING CONDENSER (for Window Defogger)

(a) With the radio setting condenser installed, check that there is no looseness or other abnormalities.

(b) Measure the resistance of the radio setting condenser according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
1 - Body ground	Power switch off1 Engine switch off2 Window Defogger turned off	Below 1 Ω

*a	Radio Setting Condenser

(d) Disengage the clamp and disconnect the radio setting condenser with wire harness from the vehicle body.

(e) Measure the resistance and voltage of the radio setting condenser according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
2 - 3	Power switch off1 Engine switch off2 Window Defogger turned off	10 kΩ or higher

Standard Voltage:

Tester Connection	Condition	Specified Condition
1: for HV Model 2: for Gasoline Model
2 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 Window Defogger turned off	Below 1 V
2 - Body ground	Power switch on (IG)1 Engine switch on (IG)2 Window Defogger turned on	11 to 14 V

*a	Radio Setting Condenser

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds be ...

Toyota Avalon (XX50) 2019-2022 Owners Manual